EP2213103B1 - Localisation de terminal d'accès mobile sans licence (uma) dans un réseau de communication - Google Patents

Localisation de terminal d'accès mobile sans licence (uma) dans un réseau de communication Download PDF

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Publication number
EP2213103B1
EP2213103B1 EP07787272A EP07787272A EP2213103B1 EP 2213103 B1 EP2213103 B1 EP 2213103B1 EP 07787272 A EP07787272 A EP 07787272A EP 07787272 A EP07787272 A EP 07787272A EP 2213103 B1 EP2213103 B1 EP 2213103B1
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Prior art keywords
location information
service node
location
terminal
network controller
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EP07787272A
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German (de)
English (en)
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EP2213103A1 (fr
Inventor
Rogier Noldus
Jos Den Hartog
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Priority to PL07787272T priority Critical patent/PL2213103T3/pl
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/12—Mobility data transfer between location registers or mobility servers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/02—Inter-networking arrangements

Definitions

  • the invention relates to the field of terminal location in a communications network, and in particular in a Global System for Mobile Communications network.
  • GSM Global System for Mobile communications
  • MSC Mobile Switching Centre Server
  • a Base Station Controller in the radio access network reports the cell in which the subscriber resides to the MSC.
  • the BSC also reports the current cell to the MSC when, for example, the subscriber's mobile station performs a periodic location update procedure, when the subscriber initiates a GSM service, and when the subscriber changes position to another location area.
  • the MSC may use internal mapping to associate a location identifier (or location number) with the subscriber's current cell.
  • the location number indicates the physical or geographic location of the subscriber, and can be used by the MSC and by Value Added Services (VAS). Examples of VAS that use the subscriber's location for service logic processing include Home zone, Office zone and Location based charging.
  • a Public Land Mobile Network (PLMN) operator uses E.164 numbers as the location numbers. Where this is done, the operator defines a number plan for its radio access network, and each location area within this radio access network has a location number associated with it.
  • a location area may be a single GSM cell or a group of cells, as defined by the operator.
  • a location number is similar to a fixed network number. For example, a Public Switched Telephone Network (PSTN) number can be used to identify, to some extent, the subscriber's location.
  • PSTN Public Switched Telephone Network
  • GAN Generic Access Network
  • UMA Unlicensed Mobile Access
  • UMA Unlicensed Mobile Access
  • Access to a GSM network using UMA is normally done using a terminal supporting both regular GSM access and UMA access. Such a terminal is referred to herein as a UMA terminal.
  • UMA allows a subscriber having a UMA terminal to perform a handover between GSM access and WLAN access, both during a call and outside a call.
  • GANC Generic Access Network Controller
  • a UMA subscriber may access a GSM network through a home WLAN access point, connected to a Digital Subscriber Line (DSL).
  • the DSL connection provides IP connectivity.
  • the UMA terminal uses the IP connectivity to register with the GANC, which then registers the subscriber with the MSC.
  • the DSL line number As the location number for that subscriber. For example, when the subscriber uses UMA to access a GSM network via DSL, her location could be determined by the DSL line identity.
  • WLAN Wireless Local Area Network
  • the VPN service could receive the current location number of that subscriber. If the reported location number is, for example, +46 26 157000, then the VPN would be aware that the subscriber is connected to the network using her home WLAN / DSL, provided that the VPN can deduce from the reported location number (+46 26 157000) that the subscriber's current location is served by a GANC. It will be described below how a location number is associated with a GANC.
  • the invention provides a mechanism to make a location number, such as a PSTN DSL line number, available to the GSM network when a subscriber attaches to a GSM network through UMA.
  • a location number such as a PSTN DSL line number
  • a Generic Access Network Controller receives an IP address of an IP tunnel towards the terminal, and then sends a query to a Connectivity Session Location and Repository Function associated with the IP network or IP sub network through which the UMA terminal has gained IP connectivity for the purpose of attaching to a Mobile Switching Centre.
  • the Connectivity Session Location and Repository Function returns location information to the Generic Access Network Controller in response to the query.
  • the Generic Access Network Controller then transmits the location information from the Generic Access Network Controller to a communications service node, the communications service node being selected from one of a Mobile Switching Centre, MSC, and a Serving General Packet Radio System Service Node, SGSN.
  • MSC Mobile Switching Centre
  • SGSN Serving General Packet Radio System Service Node
  • the location information may be transmitted from the Generic Access Network Controller to the communications service node using an enhanced GSM Attach procedure.
  • a request from the communications service node for location information may be received before transmitting the location information from the Generic Access Network Controller to the communications service node.
  • the location information is transmitted from the Generic Access Network Controller to the communications service node. In this way the communications service node may specifically request the location information if it is required.
  • the communications service node may determine a Location Area Code and a Cell Identifier from a Cell Global Identifier that is reported from the Generic Access Network Controller.
  • the Location Area Code or the combination of the Location Area Code and Cell Identifier indicates whether the terminal is connected via a Generic Access Network Controller.
  • the request for location information is sent from the communications service node to the Generic Access Network Controller.
  • the communications service node may determine a Location Area Code and a Service Area Code from a Cell Global Identifier that is reported from the Generic Access Network Controller.
  • the Location Area Code or the combination of the Location Area Code and the Service Area Code indicates whether the terminal is connected via the Generic Access Network Controller.
  • the request for location information is sent from the communications service node to the Generic Access Network Controller.
  • the location information may comprise an E.164 Public Switched Telephone Network number.
  • the location information may be selected from any of a virtual line identity, a postal code, geographic information, geodetic information and location information identifying a Wireless Local Area Network Access Point.
  • the Generic Access Network Controller for use in a Global System for Mobile Communications network according to the features of claim 7.
  • the Generic Access Network Controller comprises a receiver for receiving an IP address of an IP tunnel towards an Unlicensed Mobile Access terminal, a processor for generating a query message, and a transmitter for transmitting the query message to a Connectivity Session Location and Repository Function associated with the terminal.
  • the receiver is adapted to receive a response message in response to the query, the response message comprising location information.
  • the transmitter is adapted to send a message containing location information to a node selected from a Mobile Switching Centre and a Serving General Packet Radio System Service Node.
  • the Generic Access Network Controller may comprise a memory for storing the location information, thereby maintaining a record of the location information.
  • the message containing location information to be sent to the Mobile Switching Centre or Serving General Packet Radio System Service Node may be selected from a Direct Transfer Application Part message, a Base Station System Application Part (BSSAP) message, a Radio Access Network Application Part (RANAP) message, a SOAP/XML message and an LDAP message.
  • BSSAP Base Station System Application Part
  • RANAP Radio Access Network Application Part
  • SOAP/XML SOAP/XML message
  • LDAP LDAP
  • a Mobile Switching Centre for use in a Global System for Mobile Communications network according to the features of claim 9.
  • the Mobile Switching Centre may comprise means for, prior to receiving the message containing location information, determining from a reported Cell Global Identifier, a Location Area Code and a Cell Identifier.
  • the Location Area Code or the combination of the Location Area Code and Cell Identifier indicates that the terminal is connected via a Generic Access Network Controller.
  • a transmitter is also provided for, as a result of the determination, transmitting a request for location information to the Generic Access Network Controller.
  • a Serving General Packet Radio System Service Node for use in a Global System for Mobile Communications network according to the features of claim 10.
  • the Serving General Packet Radio System Service Node comprises means for, prior to receiving the message containing location information, determining from a reported Cell Global Identifier, a Location Area Code and a Cell Identifier.
  • the Location Area Code or the combination of the Location Area Code and Cell Identifier indicates that the terminal is connected via a Generic Access Network Controller.
  • a transmitter is also provided for, as a result of the determination, transmitting a request for location information to the Generic Access Network Controller.
  • a UMA terminal 1 connecting to a DSL access network 2.
  • a Network Access Configuration Function (NACF) typically located in an IP access provider's network, is used to allocate an IP address to the UMA terminal 1.
  • a Connectivity session Location and repository Function (CLF) also typically located in the IP access provider's network, is also illustrated, which can communicate with the NACF 3 and with a Generic Access Network Controller (GANC) 5.
  • the GANC 5 can in turn communicate with a Mobile Switching Centre (MSC) 6 in a GSM network 7 or communicate with a Serving General Packet Radio System Service Node (not shown) in a GSM network 7.
  • MSC Mobile Switching Centre
  • SCS Serving General Packet Radio System Service Node
  • the GANC 5 retains the location information of the UMA terminal 1.
  • the UMA terminal 1 uses the established IP tunnel to exchange Direct Transfer Application Part (DTAP) messages with the MSC 6 and to transport media to/from a Media Gateway, sending the media through the GANC 5.
  • DTAP Direct Transfer Application Part
  • the MSC 6 can then obtain 10 the location information from the GANC 5. This can be done in several ways, and two examples are described in steps 8a and 8b below:
  • the GANC 5 includes a receiver 12 for receiving the IP address of the UMA terminal 1.
  • a processor 13 is provided for generating a query message for sending to the CLF 4 in order to obtain location information.
  • a transmitter 14 is also provided for sending the query message.
  • the receiver 12 can also receive a response to the query message, the response containing the requested location information. This information may be stored in a memory 15 at the GANC 5.
  • the MSC 6 includes a receiver 16 for a message containing location information of the UMA terminal 1.
  • a processor 17, a memory 18 and a transmitter 19 are also provided.
  • the processor 17 and transmitter 19 are used to generate and send the message destined for the GANC requesting location information.
  • a UMA terminal 1 attaches to the MSC 6 using a WLAN access point in her home.
  • the WLAN access point is connected to a DSL, whereby the DSL is combined with a PSTN line.
  • MSCs and VAS are used to associate a Location Number with a subscriber's position in the Radio access network. In this way a user's UMA terminal 1 is associated with her home location number when she connects to a GSM network 7 through her home WLAN access point.
  • location information related to a UMA terminal may be provided to an MSC when that UMA terminal attaches to the MSC using UMA access other than the subscriber's home WLAN access point. In that case, a different location number will be reported to the MSC and hence, location based services (VAS) will detect that the subscriber is not in her home.
  • VAS location based services
  • the invention may also be applied where the subscriber uses IP connectivity where there is no PSTN line associated with the IP connection, provided that another type of location information can be provided to the MSC.
  • Other types of access include public WLAN hot spots and a stand-alone DSL subscription, i.e. DSL subscription without having a PSTN subscription.
  • the WLAN access point through which the UMA terminal 1 accesses the GSM network 7, will still use a DHCP query to obtain an IP address.
  • the operator of that WLAN access point may then provision the NACF or CLF with adequate location information for that WLAN access point.
  • geographic information may be provisioned in NACF / CLF, or information such as a postal code may be provisioned in NACF / CLF.
  • This information will then be reported to the GANC 5 when the GANC 5 queries the CLF, and will subsequently be reported to the MSC 6.
  • Current MSCs have the capability to include in the Location information for a subscriber, information elements such as CGI, Location number and geographic information. If the MSC receives other type of location information from the GANC, such as postal code, then the MSC's internal structure needs to be enhanced.
  • the invention allows for a UMA terminal 1 to attach to an MSC 6, and the subscriber's location information such as a home PSTN number is reported to the MSC 6. This home PSTN number takes the place of Location Number. In this way, Location Based services and VAS can determine whether the UMA subscriber is residing in her home location or resides in another location.
  • Location information including the location number, may be reported to a VAS function.
  • a service like VPN may use this location number, indicating that the subscriber is in her home, using UMA, to apply a special tariff for the call (for example, in countries where terminating call charging applies).
  • the present invention offers a solution for emergency calls through a UMA.
  • an emergency call e.g. '112', '911'
  • PSAP public safety answering point
  • the invention allows a GANC 5 to obtain location information related to a UMA terminal 1.
  • the GANC obtains this information from the CLF 4 during GSM attachment.
  • the CLF 4 contains the UMA terminal's location information, which may be, depending on operator requirement and configuration, an E.164 Location Number, geographic information ('geo coordinates'), a postal code or any other information that can locate the terminal.
  • the location information is included in the GSM Attach procedure from the GANC 5 to the MSC 6.
  • the MSC 6 queries the GANC 5 to obtain the location information.
  • the location information of the UMA terminal 1 that is received in this manner may be used for MSC-based location services, Value added services, emergency call and lawful intercept.

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  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Claims (10)

  1. Procédé de gestion d'information de localisation d'un terminal (1) UMA (Unlicensed Mobile Access) dans un réseau GSM (7) comprenant un contrôleur de réseau d'accès générique (GANC)(5) couplé à un noeud de desserte de communication (6), le procédé comprenant de ;
    au niveau du contrôleur de réseau d'accès générique, recevoir une adresse IP d'un tunnel IP dans la direction du terminal ;
    envoyer un requête du contrôleur de réseau d'accès générique à une fonction de recueil et localisation de session de connectivité (CLF)(4) associée au réseau IP ou sous-réseau IP par l'intermédiaire duquel le terminal a obtenu une connectivité IP à des fins de rattachement à un noeud de desserte de communication, la requête incluant l'adresse IP du tunnel IP ;
    en réponse à la requête, recevoir une information de localisation provenant de la fonction de recueil et localisation de session de connectivité ; et transmettre l'information de localisation du contrôleur de réseau d'accès générique à un noeud de desserte de communication dans un d'une réponse à une requête d'information de localisation reçue depuis le noeud de desserte de communication et un message de rattachement GSM amélioré.
  2. Procédé selon la revendication 1, dans lequel le noeud de desserte de communication (6) est sélectionné parmi un d'un centre de commutation pour les services mobiles, MSC, et un noeud de prise en charge GPRS de desserte, SGSN.
  3. Procédé de gestion d'information de localisation d'un terminal UMA (Unlicensed Mobile Access) dans un réseau GSM selon la revendication 1 ou 2, le procédé comprenant, au cas où l'information de localisation est transmise au noeud de desserte de communication en réponse à une demande d'information de localisation reçue depuis le noeud de desserte de communication, les étapes consistant à :
    au niveau du noeud de desserte de communication, déterminer d'après un identifiant mondial de cellule (CGI) rapporté, un code de zone de localisation (LAC) et un identifiant de cellule (CI), le code de zone de localisation ou la combinaison du code de zone de localisation et de l'identifiant de cellule indiquant que le terminal est connecté via le contrôleur de réseau d'accès générique, et
    comme résultat de la détermination, envoyer une requête d'information de localisation du noeud de desserte de communication au contrôleur de réseau d'accès générique.
  4. Procédé de gestion d'information de localisation d'un terminal UMA (Unlicensed Mobile Access) dans un réseau GSM selon la revendication 1 ou 2, le procédé comprenant, au cas où l'information de localisation est transmise au noeud de desserte de communication en réponse à une demande d'information de localisation reçue depuis le noeud de desserte de communication, les étapes consistant à :
    au niveau du noeud de desserte de communication, déterminer d'après un identifiant mondial de cellule (CGI) rapporté, un code de zone de localisation (LAC) et un code de zone desserte (SAC), le code de zone de localisation ou la combinaison du code de zone de localisation et du code de zone desserte indiquant que le terminal est connecté via le contrôleur de réseau d'accès générique, et
    comme résultat de la détermination, envoyer une requête d'information de localisation du noeud de desserte de communication au contrôleur de réseau d'accès générique.
  5. Procédé de gestion d'information de localisation d'un terminal UMA (Unlicensed Mobile Access) dans un réseau GSM selon une quelconque des revendications précédentes, dans lequel l'information de localisation comprend un numéro de réseau téléphonique public commuté E.164.
  6. Procédé de gestion d'information de localisation d'un terminal UMA (Unlicensed Mobile Access) dans un réseau GSM selon une quelconque des revendications 1 à 4, dans lequel l'information de localisation est sélectionnée parmi une identité de ligne virtuelle, un code postal, une information géographique, une information géodésique et une information de localisation identifiant un point d'accès (AP) au réseau local sans fil (WLAN).
  7. Contrôleur de réseau d'accès générique (GANC) (5) à utiliser dans un réseau GSM (7), le contrôleur de réseau d'accès générique comprenant :
    un récepteur (12) pour recevoir une adresse IP d'un tunnel IP vers un terminal UMA (1) ;
    un processeur (13) pour générer un message de requête, le message de requête incluant l'adresse IP du tunnel sécurisé ;
    un émetteur (14) pour transmettre le message de requête à une fonction de recueil et localisation de session de connectivité (CLF) (4) associée au terminal au moyen du réseau IP ou sous-réseau IP par l'intermédiaire duquel le terminal a obtenu une connectivité IP à des fins de rattachement à un noeud de desserte de communication ;
    le récepteur étant adapté pour recevoir un message de réponse en réponse à la requête, le message de réponse comprenant une information de localisation ; et
    l'émetteur étant adapté pour envoyer un message contenant une information de localisation à un noeud (6) sélectionné parmi un centre de commutation pour les services mobiles (MSC) et un noeud de prise en charge GPRS de desserte (SGSN) dans une d'une réponse à une demande d'information de localisation et un message de rattachement GSM amélioré.
  8. Contrôleur de réseau d'accès générique selon la revendication 7, dans lequel le message contenant l'information de localisation à envoyer vers un du centre de commutation pour les services mobiles ou du noeud de prise en charge GPRS de desserte est sélectionné parmi un message de sous-système d'application de transfert direct, DTAP, un message de sous-système d'application de système de station de base, BSSAP, un message de sous-système d'application de réseau d'accès radio, RANAP, un message SOAP/XML t un message LDAP.
  9. Centre de commutation pour les services mobiles (MSC) (6) à utiliser dans un réseau GSM (7), le centre de commutation pour les services mobiles comprenant :
    un moyen (17) pour déterminer d'après un identifiant mondial de cellule (CGI) rapporté, un code de zone de localisation (LAC) et un d'un identifiant de cellule (CI) et un code de zone de desserte (SAC), indiquer qu'un terminal UMA (1) est connecté via un contrôleur de réseau d'accès générique (GANC) couplé au centre de commutation pour les services mobiles (6) et adapté pour recevoir l'adresse d'un tunnel dans la direction du terminal (1) ;
    un émetteur (19) pour émettre une requête d'information de localisation vers le contrôleur de réseau d'accès générique, et
    un récepteur (16) pour recevoir depuis le contrôleur de réseau d'accès générique, un message contenant une information de localisation d'un abonné desservi rattaché au centre de commutation pour les services mobiles, l'information de localisation se rapportant au terminal UMA.
  10. Noeud de prise en charge GPRS de desserte (SGSN) à utiliser dans un réseau GSM (7), le noeud de prise en charge GPRS de desserte comprenant :
    un moyen pour déterminer d'après un identifiant mondial de cellule (CGI) rapporté, un code de zone de localisation (LAC) et un d'un identifiant de cellule (CI) et un code de zone de desserte (SAC), indiquer qu'un terminal UMA (1) est connecté via un contrôleur de réseau d'accès générique (GANC) couplé au noeud de prise en charge GPRS de desserte et adapté pour recevoir l'adresse d'un tunnel dans la direction du terminal (1) ;
    un émetteur pour transmettre une requête d'information de localisation au contrôleur de réseau d'accès générique ; et
    un récepteur pour recevoir du contrôleur de réseau d'accès générique, un message contenant une information de localisation d'un abonné desservi rattaché au noeud de prise en charge GPRS de desserte,
    l'information de localisation se rapportant à un terminal UMA.
EP07787272A 2007-07-09 2007-07-09 Localisation de terminal d'accès mobile sans licence (uma) dans un réseau de communication Active EP2213103B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07787272T PL2213103T3 (pl) 2007-07-09 2007-07-09 Lokalizacja terminala nielicencjowanego dostępu mobilnego (UMA) w sieci telekomunikacyjnej

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PCT/EP2007/056996 WO2009006940A1 (fr) 2007-07-09 2007-07-09 Localisation de terminal d'accès mobile sans licence (uma) dans un réseau de communication

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EP (1) EP2213103B1 (fr)
JP (1) JP5103523B2 (fr)
KR (1) KR101442303B1 (fr)
CN (1) CN101690284B (fr)
AT (1) ATE535107T1 (fr)
ES (1) ES2374989T3 (fr)
MY (1) MY159211A (fr)
PL (1) PL2213103T3 (fr)
TW (1) TWI473487B (fr)
WO (1) WO2009006940A1 (fr)

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US8649799B2 (en) 2014-02-11
PL2213103T3 (pl) 2012-04-30
ES2374989T3 (es) 2012-02-23
MY159211A (en) 2016-12-30
ATE535107T1 (de) 2011-12-15
KR20100031734A (ko) 2010-03-24
WO2009006940A1 (fr) 2009-01-15
US20100203898A1 (en) 2010-08-12
CN101690284A (zh) 2010-03-31
TW200926722A (en) 2009-06-16
KR101442303B1 (ko) 2014-09-22
EP2213103A1 (fr) 2010-08-04
TWI473487B (zh) 2015-02-11
JP2010532956A (ja) 2010-10-14
CN101690284B (zh) 2013-07-17

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